<script setup>
import {
  Edit,
  Delete
} from '@element-plus/icons-vue'
import { ref } from 'vue'
import {articleCateService,addCategoryService,updateCategoryService,delCategoryService} from '@/api/article.js'
import { ElMessage,ElMessageBox} from 'element-plus'




const getCategory = async () => {
  const res = await articleCateService()
  categorys.value = res.data
}

getCategory()

const categorys = ref([
])

//控制添加分类弹窗
const dialogVisible = ref(false)

//添加分类数据模型
const categoryModel = ref({
  categoryName: '',
  categoryAlias: ''
})
//添加分类表单校验
const rules = {
  categoryName: [
    { required: true, message: '请输入分类名称', trigger: 'blur' },
  ],
  categoryAlias: [
    { required: true, message: '请输入分类别名', trigger: 'blur' },
  ]
}


const  addCategory = async () => {
  let result = await  addCategoryService(categoryModel.value)
  dialogVisible.value = false
  // 重新查询
  getCategory()
  ElMessage.success(result.message?result.message:'添加成功')
}

const title  = ref('')

const showEditCategory = (row) => {

  dialogVisible.value = true;
  title.value = '修改分类'
  categoryModel.value.categoryName = row.categoryName
  categoryModel.value.categoryAlias = row.categoryAlias
  categoryModel.value.id = row.id
}

// 修改分类
const updateCategory = async ()  => {

   let result = await updateCategoryService(categoryModel.value)
   ElMessage.success(result.message ? result.message:'修改成功')
   getCategory()
   dialogVisible.value = false
}

const showAddDialog = () => {
  dialogVisible.value = true;
  title.value = '添加分类'
  categoryModel.value = {}
}

const delCategory = async (row) => {

  ElMessageBox.confirm(
      '你确认删除该分类信息吗？',
      '温馨提示',
      {
        confirmButtonText: '确认',
        cancelButtonText: '取消',
        type: 'warning',
      }
  ).then(async () => {
        //用户点击了确认
        let result = await delCategoryService(row.id)
        getCategory()
        ElMessage({
          type: 'success',
          message: result.message ? result.message:'删除成功',
        })
      })
      .catch(() => {
        //用户点击了取消
        ElMessage({
          type: 'info',
          message: '取消删除',
        })
      })
}

</script>
<template>
  <el-card class="page-container">
    <template #header>
      <div class="header">
        <span>文章分类</span>
        <div class="extra">
          <el-button type="primary" @click="showAddDialog()">添加分类</el-button>
        </div>
      </div>
    </template>
    <el-table :data="categorys" style="width: 100%">
      <el-table-column label="序号" width="100" type="index"> </el-table-column>
      <el-table-column label="分类名称" prop="categoryName"></el-table-column>
      <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
      <el-table-column label="操作" width="100">
        <template #default="{ row }">
          <el-button :icon="Edit" circle plain type="primary" @click ="showEditCategory(row)"></el-button>
          <el-button :icon="Delete" circle plain type="danger" @click ="delCategory(row)"></el-button>
        </template>
      </el-table-column>
      <template #empty>
        <el-empty description="没有数据" />
      </template>
    </el-table>

    <!-- 添加分类弹窗 -->
    <el-dialog v-model="dialogVisible" :title="title" width="30%">
      <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
        <el-form-item label="分类名称" prop="categoryName">
          <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="categoryAlias">
          <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
            <el-button @click="dialogVisible = false">取消</el-button>
            <el-button type="primary" @click="title === '添加分类'?addCategory():updateCategory()"> 确认 </el-button>
        </span>
      </template>
    </el-dialog>
  </el-card>
</template>



<style lang="scss" scoped>
.page-container {
  min-height: 100%;
  box-sizing: border-box;

  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}
</style>